package system;

import datacontrol.DAO;
import java.io.IOException;
import java.io.PrintWriter;
import java.sql.SQLException;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

/**
 * Dient als hoofdpagina van het systeem. Haalt alle enquete's op voor de 'gast' pagina.
 * Als gebruiker is ingelogd wordt deze automatisch doorgestuurd naar CheckEnquete
 * 
 * @author Joeri, Jeroen
 */
public class EnqueteOphaler extends HttpServlet {

    /** 
     * Processes requests for both HTTP <code>GET</code> and <code>POST</code> methods.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        ArrayList<HashMap<String, String>> result = null;
        String username = (String) request.getSession().getAttribute("user");
        try {
            result = DAO.selectQuery("SELECT *,rowid FROM Enquete ");
        } catch (SQLException ex) {
            Logger.getLogger(EnqueteOphaler.class.getName()).log(Level.SEVERE, null, ex);
        }
        request.setAttribute("result", result);
        if (username == null || username.equals("")) {
            request.setAttribute("isingelogd", false);
        } else {
            request.setAttribute("isingelogd", true);
            response.sendRedirect("checkenquete");
            return;
        }
        try {
            if (request.getParameter("redirect").equals("voorkeur")) {
                getServletContext().getRequestDispatcher("/voorkeurlijst.jsp").forward(request, response);
            }
        } catch (NullPointerException e) {
            getServletContext().getRequestDispatcher("/index.jsp").forward(request, response);
        }
    }

    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /** 
     * Handles the HTTP <code>GET</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /** 
     * Handles the HTTP <code>POST</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }// </editor-fold>
}
